body { padding-top: 70px; }

.margin-left-20{margin-left:20px}
.margin-top-20{margin-top:20px}

label.valid {
  width: 24px;
  height: 24px;
  background: url(img/valid.png) center center no-repeat;
  display: inline-block;
  text-indent: -9999px;
}
label.error {
  font-weight: bold;
  color: red;
  padding: 2px 8px;
  margin-top: 2px;
}